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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Coalescent (or confluent) otomastoiditis with abscess
Definitions
- Acute mastoiditis (AM): Active infection in mastoid without destruction of mastoid septations or cortex
- Acute otitis media (AOM): Acute middle ear-mastoid infection with progressive bony resorption & demineralization due to intramastoid empyema
- Acute coalescent (or confluent) otomastoiditis (ACOM) + abscess: Coalescent mastoiditis with resultant intracranial or extracranial abscess
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Cassano P et al: Acute mastoiditis in children. Acta Biomed. 91(1-S):54-59, 2020
- Stern Shavit S et al: Surgical intervention for acute mastoiditis: 10 years experience in a tertiary children hospital. Eur Arch Otorhinolaryngol. 276(11):3051-6, 2019
- Marom T et al: Acute mastoiditis in children: necessity and timing of imaging. Pediatr Infect Dis J. 35(1):30-4, 2016
- Saat R et al: MR Imaging features of acute mastoiditis and their clinical relevance. AJNR Am J Neuroradiol. 36(2):361-7, 2015
- Chesney J et al: What is the best practice for acute mastoiditis in children? Laryngoscope. 124(5):1057-8, 2014
- Halgrimson WR et al: Incidence of acute mastoiditis in Colorado children in the pneumococcal conjugate vaccine era. Pediatr Infect Dis J. 33(5):453-7, 2014
- Minks DP et al: Acute mastoiditis--the role of radiology. Clin Radiol. 68(4):397-405, 2013
- Chien JH et al: Mastoiditis diagnosed by clinical symptoms and imaging studies in children: disease spectrum and evolving diagnostic challenges. J Microbiol Immunol Infect. 45(5):377-81, 2012
- Luntz M et al: Acute mastoiditis: the role of imaging for identifying intracranial complications. Laryngoscope. 122(12):2813-7, 2012
- Tamir S et al: Shifting trends: mastoiditis from a surgical to a medical disease. Am J Otolaryngol. 31(6):467-71, 2010
- Zevallos JP et al: Advanced pediatric mastoiditis with and without intracranial complications. Laryngoscope. 119(8):1610-5, 2009
- Park H et al: Surgical management of acute mastoiditis with epidural abscess. Acta Otolaryngol. 126(7):782-4, 2006
- Vazquez E et al: Imaging of complications of acute mastoiditis in children. Radiographics. 23(2):359-72, 2003
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Coalescent (or confluent) otomastoiditis with abscess
Definitions
- Acute mastoiditis (AM): Active infection in mastoid without destruction of mastoid septations or cortex
- Acute otitis media (AOM): Acute middle ear-mastoid infection with progressive bony resorption & demineralization due to intramastoid empyema
- Acute coalescent (or confluent) otomastoiditis (ACOM) + abscess: Coalescent mastoiditis with resultant intracranial or extracranial abscess
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Cassano P et al: Acute mastoiditis in children. Acta Biomed. 91(1-S):54-59, 2020
- Stern Shavit S et al: Surgical intervention for acute mastoiditis: 10 years experience in a tertiary children hospital. Eur Arch Otorhinolaryngol. 276(11):3051-6, 2019
- Marom T et al: Acute mastoiditis in children: necessity and timing of imaging. Pediatr Infect Dis J. 35(1):30-4, 2016
- Saat R et al: MR Imaging features of acute mastoiditis and their clinical relevance. AJNR Am J Neuroradiol. 36(2):361-7, 2015
- Chesney J et al: What is the best practice for acute mastoiditis in children? Laryngoscope. 124(5):1057-8, 2014
- Halgrimson WR et al: Incidence of acute mastoiditis in Colorado children in the pneumococcal conjugate vaccine era. Pediatr Infect Dis J. 33(5):453-7, 2014
- Minks DP et al: Acute mastoiditis--the role of radiology. Clin Radiol. 68(4):397-405, 2013
- Chien JH et al: Mastoiditis diagnosed by clinical symptoms and imaging studies in children: disease spectrum and evolving diagnostic challenges. J Microbiol Immunol Infect. 45(5):377-81, 2012
- Luntz M et al: Acute mastoiditis: the role of imaging for identifying intracranial complications. Laryngoscope. 122(12):2813-7, 2012
- Tamir S et al: Shifting trends: mastoiditis from a surgical to a medical disease. Am J Otolaryngol. 31(6):467-71, 2010
- Zevallos JP et al: Advanced pediatric mastoiditis with and without intracranial complications. Laryngoscope. 119(8):1610-5, 2009
- Park H et al: Surgical management of acute mastoiditis with epidural abscess. Acta Otolaryngol. 126(7):782-4, 2006
- Vazquez E et al: Imaging of complications of acute mastoiditis in children. Radiographics. 23(2):359-72, 2003
